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The installation is carried out directly on the cleaned and prepared pipe surface without any primer. During installation, heat shrink sleeve in 30m is to be wrapped spirally around the bend with 50% overlap. The carrier is heated and shrinks tightly around the substrate; at the moment, the sealing adhesive melts and is forced into all surface irregularities, forming a thorough coating and a complete bond with the substrate.
| Property | Unit | Requirement | Test result | Test Method |
|---|---|---|---|---|
| Impact resistance | J | ≥15 | >15 | Appendix H |
| Indentation resistance at 60 °C -residual thickness |
mm | ≥ 0.6 | 1.0 | Appendix G |
| Specific electrical insulation resistance Rs100 Rs100/Rs702 |
Ω·m2 - |
≥108 ≥0.8 |
5x1010 1.1 |
Appendix J |
| Cathodic disbondment resistance - at 23 °C - at 60 °C |
mm mm |
≤20 - |
3.5 8 |
Appendix K |
| Peel strength layer to layer - at 23 °C -- inner layer/ inner layer -- outer layer/ inner layer -- outer layer/ outer layer - at 60 °C --inner layer/ inner layer -- outer layer/ inner layer -- outer layer/ outer layer |
N/mm | ≥1.5 ≥1.5 ≥0.2 ≥0.2 ≥0.2 ≥0.2 |
15 17 12 1.4 1.5 1.3 |
Appendix B |
| Peel strength To pipe surface at 23 °C - at 60°C To factory coating -- PE at 23 °C -- PE at 60 °C -- EP at 23 °C -- EP at 60 °C |
N/mm | ≥1.0 ≥0.1 ≥0.4 ≥0.04 ≥0.4 ≥0.04 |
10.0 1.2 8.7 1.8 15.2 1.4 |
Appendix C |
| Lap shear strength at 60 °C -- to pipe surface -- to PE-factory coating -- to EP-factory coating |
N/mm2 | ≥0.05 ≥0.05 ≥0.05 |
0.8 0.9 0.7 |
Appendix D |
| Resistance to thermal ageing (100d/80°C) -ratio of --tape strength --elongation at break --peel strength layer to layer inner/inner; outer/inner; outer/outer --peel strength to pipe surface |
- - - - |
1.25≥S100/S0≥0.75 S100/S70≥0.8 1.25≥E100/E0≥0.75 E100/E70≥0.8 P100/PT≥0.75 P100/P70≥0.8 A100/AT≥0.75 A100/A70≥0.8 |
0.88 0.87 0.78 0.82 0.88 0.90 0.84 0.88 |
Appendix E |
| Ultraviolet irradiation resistance -ratio of --elongation at break --tape strength |
- | 1.25≥E100/E0≥0.75 1.25≥S100/S0≥0.75 |
0.91 0.85 |
Appendix F |
| Ordering Information | ||
|---|---|---|
|
Range for available dimension: | |
| Sleeve length | Length of PE shrink sleeves is 30m per roll. | |
| Sleeve width | We can provide 50mm, 75mm, 100mm, 150mm, 200mm, 250mm, 300mm, 350mm, 400mm, 450mm, 500mm, 520mm, 550mm, 600mm width. | |
| Sleeve thickness | We can provide 1.8mm, 2.0mm, 2.2mm, 2.5mm, 2.8mm, 3.0mm and 3.2mm supplied PE shrink sleeves thickness. | |
| Primer thickness | There are two kinds of primer application way, wet film and dry film. We can provide 120um, 150um, 200um, 300um and 400um primer thickness. | |
